475640942929636 has 27 divisors (see below), whose sum is σ = 914921827611267. Its totient is φ = 216200210512440.

The previous prime is 475640942929613. The next prime is 475640942929661. The reversal of 475640942929636 is 636929249046574.

It is a happy number.

The square root of 475640942929636 is 21809194.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 479306605 + ... + 480297931.

Almost surely, 2^{475640942929636} is an apocalyptic number.

475640942929636 is the 21809194-th square number.

It is an amenable number.

475640942929636 is a deficient number, since it is larger than the sum of its proper divisors (439280884681631).

475640942929636 is an frugal number, since it uses more digits than its factorization.

475640942929636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1982680 (or 991340 counting only the distinct ones).

The product of its (nonzero) digits is 4232632320, while the sum is 76.

The spelling of 475640942929636 in words is "four hundred seventy-five trillion, six hundred forty billion, nine hundred forty-two million, nine hundred twenty-nine thousand, six hundred thirty-six".